Jan 16, 2011
An unseasonably warm and wet period resulted in minor flooding along the Palouse River in Whitman County. The Inland Northwest remained in the warm sector of a flat ridge with warm air advection into the region. The warm air scoured out the cold air in place, resulting in sharp rises to snow levels across extreme eastern Washington. Record November snowfall, followed by above average December snowfall, set the stage for a healthy low to mid elevation snow pack for many areas across extreme easte
Source: NOAA National Weather Service Storm Events Database (event 275178). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Whitman County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.